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Polymer Nanocomposite Foams Prepared by Supercritical Fluid Foaming Technology

Published online by Cambridge University Press:  01 February 2011

L. James Lee ,
Changchun Zeng ,
Xiangmin Han ,
David L. Tomasko  and
Kurt W. Koelling
L. James Lee
Affiliation:
Department of Chemical Engineering, The Ohio State University Columbus, OH 43210
Changchun Zeng
Affiliation:
Department of Chemical Engineering, The Ohio State University Columbus, OH 43210
Xiangmin Han
Affiliation:
Department of Chemical Engineering, The Ohio State University Columbus, OH 43210
David L. Tomasko
Affiliation:
Department of Chemical Engineering, The Ohio State University Columbus, OH 43210
Kurt W. Koelling
Affiliation:
Department of Chemical Engineering, The Ohio State University Columbus, OH 43210
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Abstract

Polystyrene (PS) clay nanocomposites were synthesized and used to prepare foams in both batch and continuous extrusion process. It was found that the addition of a small amount of clay could greatly reduce cell size and increase cell density. Once exfoliated, the nanocomposite foam exhibits the highest cell density and the smallest cell size at the same particle concentration. Exfoliated microcellular nanocomposite foams with good surface quality was successfully produced using supercritical carbon dioxide.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 733: Symposium T – Polymer Nanocomposites , 2002 , T1.5
Copyright
Copyright © Materials Research Society 2002

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References

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